Pontiac 389 crankshaft

 

Stroke, External Balance, Lightened, Pontiac, 350, 389, 400, Each. 200 r. CRANKSHAFTS . E. Jan 23, 2020 · The stroker kit for the 389 was considerably more expensive than stroking a 400. About this product. 4L/389 Crankshaft Sockets and get Free Shipping on Orders Over $109 at Summit Racing! In the late '90s, Butler Performance teamed up with Eagle to produce the first aftermarket Pontiac crank, a cast-steel 4. 11. None of the engines leak a drop of oil, and 3 of them have Find 1962 PONTIAC 6. This is a complete Pontiac rotating assembly / Eagle crank kit prepared by Tin Indian Performance. 7,438 Posts. Shop 389 Pontiac V8 Parts and get Free Shipping on orders over $149 at Speedway Motors, the Racing and Rodding Specialists. 060" os and fit Speed Pro L2262F std. 700" Rod Length 2. Butler Performance. RMS-18. As a result, the Pontiac 389 was deemed the “Trophy-8” from 1961 onwards. Great condition. ♥ best of . Forged are found in the the early Pontiac's of 1955- 58, Super Duty engines, and Ram Air V. Never use anything but forged Pistons! Those are medium silicon content so you can set the skirt clearance at . and it's also come loose before and hit the Scat Forged Standard Weight Crankshafts 4-400P-4250-6700-2200 Crankshaft, Standard Weight, Forged 4340 Steel, 4. collar that goes over the snout of the front of the crankshaft, reinforcing plate for the balancer, and associated hardware) since the balancer on the engine was probably the original one and is toast. #58 · Mar 11, 2024. Ha Feb 13, 1999 · Pontiac Crankshaft Part Numbers Partnumbers as listed in Master Parts Catalog dated 1/69 YEAR(S) TEMPEST & PONTIAC 389 : 1964-65: 9773384: 421 & HO ENGINES: Find PONTIAC 6. Kit includes • Felpro gaskets Set with Seals • Sealed Power / Silvolite Piston Set with Pins • Clevite / EPW Rod Bearings • Clevite / EPW Main Bearings • Hastings ring Set • Durabond camshaft bearings • Melling Oil Pump • Melling Freeze plugs •. See More Specifications | Check the Fit. 389 Pontiac V8 Parts in-stock with same-day shipping. be careful though as 389/400 cranks come in 2 1/2″ and 2 3/4″ so be careful when swapping cranks or you might end up changing flywheels. , Aluminum, Black Powdercoated, Pontiac, 350/389/400/428/455, Each Part Number: MCH-13031-08 Jun 20, 2010 · 9732 posts · Joined 2002. Crank Turning Socket, Buick, Ford, Pontiac and Oldsmobile V8 Engines, Each. 250, but the fool things have a 2. The best option with a 389/400 engine is to 1959 - 1962 Pontiac 389 Armasteel Crankshaft 531369 (976) About this product. Cast crankshafts are an excellent alternative to O. If you're in search of a factory-appearing engine, the correct pulleys are a must. Bolts or Parts Lube or Sealer Torque to: Main Caps Engine Oil 95 ft-lbs. 200 rod journal. They can be bent, and make the pulley look like the problem. the pulley also go's up and down when it's idling. Find 1964 PONTIAC 6. 4L/389 Harmonic Balancers and get Free Shipping on Orders Over $109 at Summit Racing! Crankshaft Pulley Bolt Hole Quantity . Remove the nut securing the rocker arm pivot ball with a 5/8-inch socket. I had a 1965 GTO that I bought with the original 389 Tri-Power and a blown motor. posted: 2024-05-06 14:54. #2 · Jun 20, 2010. butlerperformance. 21 and the dumb 4. Summit Racing™ Muscle Car Replacement Cam and Lifter Kits SUM-K2820. Shooting for 10:1 CR on the E-heads, Tripower induction and Crane H-272-2 cam (adv duration 272/284 lift 454/480 and 112 LSA). Pontiac 350/389-400/3" Main 3. $50. They are the single most reliable way to control oil in a Pontiac engine. In 1967, the 389 Pontiac engine was enlarged to 400 cubic Find 1966 PONTIAC 6. 10 crankshaft with Ames Performance enhanced rear main seal. Part Number: SDM-PCE276-1142 Not May 14, 2014 · The Pontiac Super Duty 421 race engines had to maintain 1,000 RPM's to keep oil pressure up as well as the use of an oil additive due to the large rod/crank clearances. D. 50 inches. 00" Main Journal Size 4. Add to Cart. 210 in. Requirements: • 1968 - newer balancer (balancer without v-groove) • 1969 - newer 11 bolt water pump 4 1/2". It's been a while since I've built one. Nov 9, 2017 · Have used the BOP 2-piece on about 3 engines lately with serrated cranks, and the BOP one piece on one engine with a serrated crank. post id: 7744364510. 0122, 7am-10pm CST, everyday. Possibly Silver Seal. Because the rocker arm and pivot ball wear-in together and self-adjust to each other, it’s best to keep each pair united. #9773383 1964-65 Pontiac 389 V8 Crank Shaft $295. Oct 31, 2011 · About this item. the thrust needed work so it was welded and machined to the 389 size. Keep oil in and contaminants out with our Tin Indian Performance Pontiac timing cover crankshaft seals! These seals are manufactured from the highest quality materials to prevent leakage between the timing cover housing and the crankshaft, providing for a durable and reliable seal. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Dec 31, 2018 · From a couple bins of parts to a fully built, iconic Pontiac Tri-Power 389, this is the story behind our latest Redline Rebuild time-lapse engine project. The 1967-1979 Pontiac heads that are available will either have too high compression for pump gas or too low compression ratio for good power. There is no shortage of Pontiac rods bearings. ( www. Specs: For 326, 350, 389 & 400 blocks. 250, 4. Apr 8, 2024 · Find PONTIAC 6. Not Yet Reviewed. These Tin Indian Performance Gasket & Seal Pontiac rear main seals are specifically designed for the Pontiac block. Complete overhaul of heads - new valve springs, new valve guides as needed, correct Pontiac valve stem seals. Final torque ratings may vary and need to be determined based on application and parts used. I use these on my Hyundai with no issues. Triple groove crank factory replacement V-belt pulley for Pontiac 326-455c. . I believe so. 50 in. Also abandoned using iron heads and bought E-heads with the savings on the stroker kit and the sale of my 389. Get the best deals for 389 crankshaft at eBay. 1/2" Drive for Use with Breaker Bar or Drive Ratchet. 250-inch unit for 3-inch main 326/350/389/400 blocks. . PONTIAC 6. This set fits all Pontiac V-8s from 1961-1966 326, 389 & 421 CID. 21 stroke crank with 3. Four different units are available for large-journal Pontiacs (421, 428 and 455) with strokes between 4. I'm on the step that says, "replace a slipped harmonic balancer". 4L V8 Crankshaft Kit (PO-21160-3) $427. or less and a target bob weight of +/- 2 percent for easy balancing. #9773383 1964-65 Pontiac 389 V8 Crank Shaft $250. 96" intake/1. 2. (See our gaskets on page 2) (Note that these sets do not include any of the BOP specialty gaskets such as our Viton ® rear main seals, one-piece oil pan gaskets, or steel core valve cover gaskets. 421's and 428's are the same motor, just a . These crankshafts are new cast pieces made with modern material and casting processes to be a great alternative to 30 year old factory cranks. , Pontiac, Each. I have read that it may destroy the threads upon removal, due to Aluminum's softness (and it just kind of makes sense) *** NOTE 3: After torquing all bolts, let stand for 20-30 Pontiac Engine Torque Specs These are general guidelines. Rear Main Cap Engine Oil 1 PRW SFI-Rated Racing Dampers 2442101. 750" Stroke. Stroke, Chevy, 454, Each. Year. 4L/389 Crankshaft Sockets. These crankshafts come in cast steel or 4340 forged steel. 1961-1962 Pontiac 389 Engine Specs. I purchased a replacement harmonic balancer and associated parts (i. 250-, and 4. 00" Main Journal Size. With a new cylinder block and crankshaft, this same basic setup became the production Trophy 4. Jun 24, 2013 · Option #2. 3543"W Starting around 1966-1967, not all cranks used with automatic transmissions were machined for a pilot bearing. /302 exh. Make sure you drain the cooling system INCLUDING the two plugs on each side of the block above the oil pan rail, otherwise when you break the seal on the timing cover it's going to dump coolant into the oil pan at the front of the crank. Apr 28, 2019 · Most all Pontiac cranks are cast. 000 Stroke Crankshaft 3. 09. March Performance Crankshaft Pulleys 13031-08 Crankshaft Pulley, V-Belt, 2-Groove, 6. $20. Aug 17, 2010 · distributor position on 389. Condition: New. Recommended for use in street engines without power adders. For example, installing a 1959 engine in a 1955 Pontiac increases displacement from 287 cid to 389 cid and improves intake and exhaust performance. Inspect the contact surfaces of each rocker arm and pivot ball for pitting or galling. 979. Eagle cast steel crankshafts are the most dependable option when you don't want to break the bank. Part Number: SUM-K2820. 9L/421 Crankshaft Pulleys and get Free Shipping on Orders Over $109 at Summit Racing! Aluminum, Black Powdercoated, Pontiac, 350/389/400/428/455 Scat Forged Standard Weight Crankshafts 4-400P-4250-6700-2200 Crankshaft, Standard Weight, Forged 4340 Steel, 4. This one is rusty, does not turn, was put away many years ago in a old farm barn, may be good for parts or rebuild. Crankshafts, Forged-43, 2-piece Seal, Forged 4340 Steel, 4. TIP-RM325. 38. 75 inches. Molnar Technologies superior 4340 steel Pontiac 400 forged crankshafts are extremely strong, precision machined high performance parts and are ideal for use in high performance street May 2, 2011 · The 326 and 389 both use the same 3. 790 str. This chart covers Pontiac V8 Engines; 265, 301, 326, 350, 389, 400, 421, 428, 455 cu in. 99. The majority of parts are NOS or NORS and are in various qualities since they fit vehicles from recent years back to 1914 or before. The 3. May 4, 2023 · The Pontiac 389 is rated at 368 horsepower in Super Duty trim. I am still looking. 25 in. We offer crankshafts from leading manufacturers such as Scat, Eagle, RPM, and Ohio. The cranks in our assemblies are zero balanced. 625” rods. 4L/389 Pilot Bearings and Bushings and get Free Shipping on Orders Over $109 at Summit Racing! $20 Off $250 / $40 Off $500 / $80 Off $1,000 - Use Promo Code: CARCARE Vehicle/Engine Search Vehicle/Engine Search Make/Model Search The BoxWrench Engine Specs Database is a community resource for mechanics of all skill levels to access a reference library of Firing Orders, Distributor Rotation Directions and Block-Cylinder Numbering as well as Torque Specs, Timing Settings and Cylinder Head Tightening Sequences among other engine specs. ) Rocker Arms + $271. Armasteel cranks are said to be the better cranks for high HP drag engines. Found in the 1964-1966 389 engines. 1, 5. 436 which would use the TIP-RM325. Stroke, Internal Balance, Pontiac, 400, Each Part Number: SCA-4400P42510 The available stroke lengths are 4. 75" hub register Welcome Guest My Account Order Status Wishlist (866)762-7527 Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, 4. We no longer balance using this method. 97. When the 389 came out in '59 it had 3" main journals. I have been told many times over many years that the reason my timing slips so easily is that there is a rubber grommet in the harmonic balancer that is dried up and I need to put some bolts in it , well finally I have decided to do jus that, ( and if thats not true, that will be another Pontiac Stroker Kits. Sep 23, 2018 · Eight different forged cranks are offered for the Pontiac "small-journal" V-8 engine family (326, 350, 389 and 400) for strokes ranging from 3. Application: Pontiac 326, 350, 389, 400, 421, 428 & 455 engines. 375, 4. Stroke #9773383 1964-65 Pontiac 389 V8 Crank Shaft $250. For 1966, most GTO models had a cast #093 head. 75" stroke, so the cranks will interchange between the two engines. 1959 - 1962 Pontiac 389. Forged cranks are also heavier than cast. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Crankshaft # 531369. Part Number: ESP-104004250 5. 17. Pontiac 400 Heads. 385 ID Crank Snout with 3/16" and 1/4" Keyways. ** NOTE 2: DO NOT use Loctite on Aluminum threads. $307. Mar 23, 2016 · Bore the 1963 389 engine . engine then you will have quite an impressive setup such as a four bolt main engine block and a forged steel crankshaft and connecting rods. Sep 26, 2010 · 65 389 harmonic balancer. j. 500 and 4. 326 and 350 cranks are commonly used in both 389 and 400 engine builds. May 10, 2024 · Find PONTIAC 6. Many recommend the Napa Gold/Wix oil filters. 4L/389 Crankshaft Pulleys and get Free Shipping on Orders Over $109 at Summit Racing! A 1959 or 60 engine (389 cid) may be used to replace an earlier V8 engine without any motor mount changes -- and makes for a nice quick-and-easy cost-effective performance upgrade. no, the 326 pistones are lighter so the crank will have to be rebalanced for 389 pistones. Get the best deals for pontiac crankshaft 389 at eBay. Scat Cast Crankshafts. The Clevite 77 bearing is good enough for any power level you can possibly build. 1 day ago · 16. Seals are made of Viton and are far superior to the factory rope seal. CID: Contents: Bore size & Cart: 462-469 cid: Eagle cast 4. Fits 1. In stock. You are buying the crankshaft as is. com ) One piece Viton rear main seal. 66-67 PONTIAC 326/5. Stroke, Pontiac, 400, Each. 350's, 389's, and 400's are the same motor recored for the different bores. So i'll check the flange. Apr 28, 2020 · Intended for full-size cars, Pontiac’s 428 has plenty of muscle car history, even if it took some aftermarket wrenching to make it so. Each crank is inspected for dimension, size, and stroke accuracy. E-Mail Ohio Crank. all pontiac cranks from 326 thru 455 used the same flywheel bolt spacing and are interchangeable. 4. aftermarket cranks that have a 2. 10/. If that matter's. Pontiac. Jumpstart Your Next Project! Find 1965 PONTIAC 6. got a 389 2bbl 64 catalina. Anyone building a new engine usually has the rotating assembly balanced. 250" Pontiac Rod Journal for stock length 6. 531369. 4L/389 Harmonic Balancers and get Free Shipping on Orders Over $109 at Summit Racing! Nov 4, 2015 · I am in the process of finishing up the rebuild on my original 389 V8 in my '64 Grand Prix. 21 inches and 4. Best Gasket, if I remember correctly. (Super Duty) option. $ 1495. o. Find PONTIAC 6. , Lift 212 int. , 2. 4L/389 Flywheels 6-bolt Crankshaft to Flywheel Bolt Quantity and get Free Shipping on Orders Over $109 at Summit Racing! March Performance Crankshaft Pulleys 13031-08 Crankshaft Pulley, V-Belt, 2-Groove, 6. Alright. Four (5) Three (4) Six (1) Aug 16, 2005 · 421 crank in a 389 block Pontiac - Street. That is what is giving you fits. Balancing adds $200 to all of the kits. b. Find PONTIAC Pontiac V8 Crankshafts and get Free Shipping on Orders Over $109 at Summit Racing! Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4. Manufacturer Part Number. all large journal crank shafts have a 2 3/4″ flywheel flange. If it is the water pump pulley, check the water pump flange first. This would require the TIP-RM300 seal. 5906"ID x 0. The balancer goes on to a different depth. Diameter, Pontiac, Black, Each. Find many great new & used options and get the best deals for SCAT Forged 400 389 Pontiac Stroker Crank 4. 4L/389 Crankshaft Sockets No Degree Wheel Attachment and get Free Shipping on Orders Over $109 at Summit Racing! Mar 29, 2017 · Step 2: Remove Rocker Arms. I know there are rubber type for 400 and 455. 000-, 4. Crankshaft, water pump and power steering pulleys are available for various applications and feature the correct grooves and outside diameter as well as the Sep 23, 2006 · NONE. Bore Pistons for a 400 CI engine. Every torque specification should be in this table, however if there is one missing, please Contact Me and I will get you the spec and add it to the table. Ft-Lbs. The only reason for this was the cars were getting heavier at the time and Pontiac simply bored out the 389 for a little more horsepower and torque. 200" BBC Rod Journal 6. , Factory Race Prepped and Nitrided Feb 21, 2006 · The only difference between the 389 and the 400 is the 400 is overbored. 650 which provides you with many options for building your desired cubic inch Pontiac stroker engine. ( 11 ) Part Number: SCA-910454. I have bought them on E-bay. California-bound GTO's in 1966 had different cylinder heads with an internal air galley. 00. 3. 0 out of 5 stars Oct 27, 2018 · Butler Performance also offers several options for balanced rotating assemblies using these cranks. Step down to a 389/400 engine if a good 455 cannot be located but be advised, it is difficult to use production Pontiac heads on 389/400 engines. 188 inches. com. If you are lucky enough to find a 389 S. Crankshaft, water pump and power steering pulleys are available for various applications and feature the correct grooves and outside diameter as well as the Jun 27, 2023 · This is a 1960 Pontiac engine block casting 536387 date casting E10 and crank casting 531369, stamping 160P 58631 291762 A2. I could be wrong about this. Use a good filter that has minimum flow loss. Nov 9, 2021 · They had deactivated four of the cylinders in a standard Pontiac 389 cubic-inch V8, and to their mild surprise it could push a full-size Catalina sedan to better than 90 mph while still delivering reasonable fuel economy. 75" flange. Find PONTIAC 5. 000 in. 3L V8 Crankshaft Kit (PO-21110-1) May 6, 2024 · 64-65 Pontiac 389 Arma-Steel Crankshaft #9773383, should also work for 66 and later 389 or 400 engines too. Finally someone made a 4" stroke aftermarket crank to add to the 4. I bought one from Summit. OPGI is proud to offer a selection of original style pulleys for your Pontiac. Acura 91214-RNB-A01, Engine Crankshaft Seal. Harmonic Balancer, Steel, SFI 18. Brand: Eagle Specialty Products. 66" exhaust valves. These Pontiac rotating assembly kits come with cast crank, pistons, rods, bearings, and rings. Pulley, Water Pump, 1965-66 Pontiac 326/389/421 w/ AC, 2-groove, 8" Diameter. Find many great new & used options and get the best deals for 1964 65 Pontiac 389 Arma Steel Crankshaft GM 9773383 at the best online prices at eBay! Free shipping for many products! Nov 15, 2011 · The crank pulley and water pump pulley are two different pulleys. rods had to be machined to 40 under but still looked great. 25" main journals, Keith Black Forged 15cc dished Pistons, Eagle 6. 200 Chevrolet rod journal. 00 Main 428 at the best online prices at eBay! Free shipping for many products! Find many great new & used options and get the best deals for PONTIAC 389 / 400 V8 ARMA STEEL CRANKSHAFT 9783786 GTO TRANS AM at the best online prices at eBay! Free shipping for many products! These factory Pontiac crankshafts are turned, blue printed and prepped. So I'm working through a checklist to increase the power on my 65 389 (stock). 500" stroke crank in a Pontiac 400 block- although any new part should be installed and all clearances checked prior to final assembly because of factory production variances. Last "small journal" motor was the '58 370. 44. 000" Stroke 2. Arma Steel, std/std balanced. Brand. The first three were 2 389's and one 400, the last was a 400. Crankshaft was turned and is a . Seals fit both stock and aftermarket MR-1 Pontiac blocks. 500" Stroke Choose Desired Bore Size and Ring Type Forged Flat Top Ross Pistons, Dish, or Dome Available Specify Desired Compression More Details » Item #: BPI-4500-300-389 This picture shows the only area that normally needs to be clearanced to put either a 4. Find 1966 PONTIAC 6. Call 800. Apr 4, 2020 · The crankshaft on a 389 is like 3/16 of an inch difference in length than a 400. The crank was not zero balanced but had to use the balancer and flexplate (auto trans) or flywheel (manual trans) with offset weighting to finish the assembly balance. Great Pontiac traditionally did a semi-internal balancing on the crank. Estimated Ship Date: Today Would you rather pick it up? Select Location. Cannot be shipped Internationally. 125 in. i. 25 inch main bearing crankshafts have a sealing surface of approximately 3. Talk to the experts. Crankshaft casting number is 531369. Product Identifiers. Butler Performance Part Number: EAG-104013750. 7L/350 Pontiac V8 Crankshafts and get Free Shipping on Orders Over $109 at Summit Racing! 2-piece Seal, Forged 4340 Steel, 4. Joined Aug 25, 2008. A. o Have most of the receipts for the parts. Pontiac ignored that policy in 1964 when it created the GTO and installed a 389-cu-in V-8 into the LeMans. 500-inch strokes for 3-inch main blocks. Location. Cam and Lifter kit, Muscle Car Cam, 068 or HO, Hydraulic Flat Tappet, 2,000-4,800 RPM Range, 288 int. Dry. e. 66 PONTIAC 389/6. 33 out of 5 stars Description: New Forged 4340 Crank 4. Scat Cast Crankshafts 9-10454. Also check with parts store in Victor/Reinz. $1,023. , Aluminum, Black Powdercoated, Pontiac, 350/389/400/428/455, Each Part Number: MCH-13031-08 The 389 was also the first engine by Pontiac to come with the S. Hmmm Looks like a Tri-Power. 4L/389 Gaskets & Seals and get Free Shipping on Orders Over $109 at Summit Racing! Save up to 10% on the Powersports Parts you Need! Vehicle/Engine Search Vehicle/Engine Search Make/Model Search Program Engineering Pontiac 350-389-400 Center Main Caps Billet Steel Main Caps, Splayed Outer Bolts PRO-P400C4A (0) Reviews: Write first review Description: Pontiac 350 / 389 / 400 Billet Main Caps w/ Splayed Outer Bolt Holes- Includes Dowel Pins & 7/16 Outer Bolts (Set) *BLOCK MUST BE ALIGN BORED* *REQUIRES ARP 2-BOLT MAIN STUDS High Performance Pontiac Parts. Jun 25, 2006 · 1. Description. 25" or 4. * NOTE 1: Tighten center two bolts to 100 lb/ft, and tighten the remaining bolts in a spiral fashion. Cranks. Part Number: MIL-27015. Ohio Crankshaft 5453 South State Route 49 Greenville, OH 45331 Toll Free: 800-333-7113 Local: 937-548-7113 Fax: 937-548-4603 7am – 5pm M-F EST We ship UPS daily All prices subject to change without notice Feb 1, 2007 · Front Seal, 389, Replacement Friend of mine asked if there is a replacement for the front crank seal (spring loaded cork) in his 1959, 389. In each case, the lip of the BOP seal ALMOST rode on the serrations, but missed it BARELY. No matter Jan 4, 2019 · 1969 Pontiac GTO. For These Tin Indian Performance Gasket & Seal Pontiac rear main seals are specifically designed for the Pontiac block. 3780"OD x 0. GM had an internal policy that limited mid-size cars to engines no larger than 330 cubic inches. Just this year, Butler Performance released 4340 forged cranks in 4. BOP (Buick Olds Pontiac) 3" main diameter (350, 389, 400) Part No. Those are 1967-1979 Pontiac 400 forged Pistons and use 5/64", 5/64", 3/16" rings. Asking $9,500. Now for those who are into measuring things and have the crankshaft handy, the 3 inch main crankshaft will have a crank sealing surface of approximately 3. This non-marring, aluminum tool rotates the crankshaft the proper way, when the balancer is off. 030 overbore on the 428. Owing to the success of the 1960 NASCAR season, the marketing department at Pontiac thought that the 389-cid had earned a more fitting name. Fits Small Block Ford, Buick and Pontiac Engines. Great New Pontiac Cast Crankshaft 3. throwing belt alignment off when using the earlier 389 bracketswith a 400. View the Pontiac Engine Torque Specifications for engine repairs and rebuilds. 625 H-beam rods, Total Seal file fit rings, FM rod and main bearings. Pontiac inlarged the main bearing bores on these motors to 3 3/4". Trending at $20. 0035". Rotating assembly can be balanced for you if you desire. Crankshaft, 2-Piece Seal, External Balance, Cast Steel, 4. These seals are used in both the early and late 3 days ago · Eagle Cast Steel Crankshafts. trying to find a different, more reliable, better sealing front seal. Its twice as thick and seems to be a bigger diameter than the one on the car. I dropped in a 400 from a 1969 GTO and Nov 21, 2017 · Using the old original type rope seals that are in the gasket sets is difficult to install without having a leak within 1200 miles. i found a 421 crank that was machined for a 389 mains. 75 inches to 4. Kit includes: 389 Cylinder Heads (1965-1966) Correct cylinder heads for the 1965 389 GTO are cast #77 and have 1. Pulley, Crankshaft, 1965-66 Pontiac 326/389/421, 2-groove, 8" Diameter. , Aluminum, Black Powdercoated, Pontiac, 350/389/400/428/455, Each Part Number: MCH-13031-08 March Performance Crankshaft Pulleys 13031-08 Crankshaft Pulley, V-Belt, 2-Groove, 6. For improved efficiency and reliability, they have a journal finish of 6 R. Stroke, Internal Balance, Pontiac, 400, Each Part Number: SCA-4400P42510 Find PONTIAC Crankshafts and get Free Shipping on Orders Over $109 at Summit Racing! $20 Off $250 / $40 Off $500 / $80 Off $1,000 - Use Promo Code: REWARDS Vehicle/Engine Search Vehicle/Engine Search Make/Model Search Pontiac V-8 Crankshafts Pilot bearing # 7109 is 1. Casting number shows it to be for a 1959 thru 1962 Pontiac 389 V8 Engine. /215 exh. 250 in. 000" 4. ci ct zv dv xl bv ep qu gh dh